feat: Add GPU support options and enhance UI for Face Encoder and Matcher functionalities

imagecatalog/Models/SettingsDto.cs

@@ -314,6 +314,10 @@ namespace ImageCatalog_2.Models
         [XmlElement("AI_FaceUpsample")]
         public bool FaceUpsample { get; set; } = true;
 
+        [JsonPropertyName("UseFaceGpu")]
+        [XmlElement("AI_UsaGpuFace")]
+        public bool UseFaceGpu { get; set; }
+
         [JsonPropertyName("FaceMatcherExecutablePath")]
         [XmlElement("AI_FaceMatcherExecutablePath")]
         public string FaceMatcherExecutablePath { get; set; } = string.Empty;